Three vehicle owners are suing Ford due to alleged malfunctions in the V6 3.5-liter EcoBoost engine.

Three vehicle owners are suing Ford due to alleged malfunctions in the V6 3.5-liter EcoBoost engine.

Based on the lawsuit, the mill "contained serious latent design, manufacturing, or assembly defects" which have led cars to misfire, shake and lose power rapidly. These issues apparently occur when the cars are driven at highway speeds.

A married couple who owns a 2010MY Taurus SHO says their car lost power and stalled a few times. In addition, the owner of a Ford F-150 said the vehicle lost power while accelerating. According to the lawsuit, the NTHSA has received almost 100 hundred complaints related to Ford's V6 EcoBoost engine.

It is believed the problems emerge due to a moisture buildup in the intercooler. At this moment, Ford hasn't recalled any cars affected by this issue. The smaller 3- and 4-cylinder EcoBoost engines are not suffering from these problems.

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